package org.answer.utils;

import com.google.gson.Gson;
import com.qiniu.common.QiniuException;
import com.qiniu.common.Zone;
import com.qiniu.http.Response;
import com.qiniu.storage.BucketManager;
import com.qiniu.storage.Configuration;
import com.qiniu.storage.UploadManager;
import com.qiniu.storage.model.DefaultPutRet;
import com.qiniu.util.Auth;
import org.springframework.security.core.Authentication;

/**
 * 七牛云工具类
 */
public class QiniuUtils {
    //...生成上传凭证，然后准备上传
    public static String accessKey = "wMUo4IZRhjVB-XQDwTwC9UTMZyagpr8r6lt14n_g";
    public static String secretKey = "Zd3Eh0Xvdjiq7zd_PKu7AtsCWiGPkr0Qu1yepmut";
    public static String bucket = "answer-imgs";

    public static void upload2Qiniu(String filePath, String fileName){
        //构造一个带指定Zone对象的配置类
        Configuration cfg = new Configuration(Zone.zone2());
        UploadManager uploadManager = new UploadManager(cfg);
        Auth auth = Auth.create(accessKey,secretKey);
        String upToken = auth.uploadToken(bucket);

        try {
            Response response = uploadManager.put(filePath, fileName, upToken);
            //  解析上传成功的结果
            DefaultPutRet putRet = new Gson().fromJson(response.bodyString(), DefaultPutRet.class);
        } catch (QiniuException ex) {
            Response r = ex.response;
            try {
                System.err.println(r.bodyString());
            } catch (QiniuException ex2) {
                //ignore
            }
        }
    }
    //  上传文件
    public static void upload2Qiniu(byte[] bytes, String fileName){
        //构造一个带指定Zone对象的配置类
        Configuration cfg = new Configuration(Zone.zone2());
        UploadManager uploadManager = new UploadManager(cfg);
        //  默认不指定key的情况下，以文件内容的hash值作为文件名
        String key = fileName;
        Auth auth = Auth.create(accessKey, secretKey);
        String upToken = auth.uploadToken(bucket);
        try {
            Response response = uploadManager.put(bytes, key, upToken);
            //  解析上传成功的结果
            DefaultPutRet putRet = new Gson().fromJson(response.bodyString(),DefaultPutRet.class);
            System.out.println(putRet.key);
            System.out.println(putRet.hash);
        } catch (QiniuException qiniuException1) {
            Response r = qiniuException1.response;
            System.err.println(r.toString());
            try {
                System.err.println(r.bodyString());
            } catch (QiniuException qiniuException2) {
                //  ignore
            }
        }
    }


    /**
     * 删除文件
     */
    public static void deleteFileFromQiniu(String fileName){
        //构造一个带指定Zone对象的配置类
        Configuration cfg = new Configuration(Zone.zone2());
        String key = fileName;
        Auth auth = Auth.create(accessKey, secretKey);
        BucketManager bucketManager = new BucketManager(auth, cfg);
        try {
            bucketManager.delete(bucket, key);
        } catch (QiniuException qiniuException) {
            //  如果遇到异常，则说明删除失败
            System.err.println(qiniuException.code());
            System.err.println(qiniuException.response.toString());
        }
    }
}
